Comparison Console
Acebeam L18 vs Sofirn SD11 Diving Light
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam L18 stands out as the lightest option for weight, with about a 33% gap from the closest alternative. Sofirn SD11 Diving Light stands out as the cheapest option for retail price, with about a 33% gap from the closest alternative. Sofirn SD11 Diving Light stands out as the highest output option for max lumens, with about a 233% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SD11 Diving Light stands out as the cheapest option for retail price, with about a 33% gap from the closest alternative.
Acebeam L18 stands out as the most expensive option for retail price, with about a 50% gap from the closest alternative.
Acebeam L18 stands out as the lightest option for weight, with about a 33% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the heaviest option for weight, with about a 50% gap from the closest alternative.
Acebeam L18 stands out as the lowest output option for max lumens, with about a 70% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the highest output option for max lumens, with about a 233% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the shortest runtime option for max runtime, with about a 100% gap from the closest alternative.
Acebeam L18 stands out as the longest runtime option for max runtime, with about a 204991% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
US$89.95Most expensive
US$59.99Cheapest
Weight
220.5 g (7.78 oz)Lightest
331 g (11.68 oz)Heaviest
Length
154 mm (6.06 in)Shortest
155.3 mm (6.11 in)Longest
Output
Max lumens
1500 lmLowest output
5000 lmHighest output
Max candela
250000 cdHighest candela
14800 cdLowest candela
Beam distance
1000 m (3281 ft)Highest
244 m (801 ft)Lowest
Max runtime
1353600 minLongest runtime
660 minShortest runtime
Power & durability
Battery type
21700 Li-ion
1 x 26800 rechargeable lithium ion battery (7500mAh)
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IPX8 (100 meters waterproof)
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
A6061-T6 aluminum alloy with HAIII hard-anodized finish
AL6061-T6 aluminum alloy
Use case profile
Best for
Long-range tactical useHuntingSearch and rescueLaw enforcementOutdoor adventures
Scuba divingUnderwater photographyFishingCave explorationWater work
Common praise
Excellent long-range throw for sizeGood balance and gripHigh build quality with durable anodized aluminum bodyDual switch interface for tactical and everyday useLong runtime at low modes
Very bright 5000 lumens with long 244 meter beam distanceOutstanding color rendering with CRI 90 warm light and neutral white optionDurable aluminum construction with IPX8 100m waterproof ratingConvenient USB-C recharge and included high-capacity batterySimple yet effective dual-switch interface with battery level indication
Common complaints
Battery not included in some packagesSide switch can be hard to find in the dark initially
Relatively heavy at 331 grams with batteryLarge size compared to typical EDC flashlightsNo detailed official specs for the included proprietary battery
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